Blaupunkt MODENA RD 148 - CD Playback Operations; Track Selection and Navigation; Repeat and Mix Playback Modes

Prüfdiagnose Tuner IC (D1)
Diagnosis test tuner IC (D1)
Pin Band Frequenz E' Uss Vermerke Notice
24+25 (ZF-OUT) FM 97,1 MHz 83 dbµV 650 mVss jeweils gegen Masse respective against GND
28 FM 97,1 MHz 80 dbµV 25 mVss
31+32 FM 97,1 MHz 80 dbµV 200 mVss jeweils gegen Masse respective against GND
31+32 AM 900 kHz 80 dbµV 200 mVss jeweils gegen Masse respective against GND
34 (AM-IN) AM 900 kHz 80 dbµV 50 mVss
36 AM 900 kHz ab 73 dbµV künstliche Antenne aus not commutated
37 FM 97,1 MHz ab 80 dbµV
43 (FM-IN) FM 97,1 MHz 94 dbµV 5 mVss
L4949 / D813
Preregulador 7V
REF 1,23V
+
=
2V
REG
RESET
=
1,23V
SENSE
Us
2V
UD 19
4 - 7
14 - 17
20
10 Reset
11 IRQ
Entkoppl. 1
OUT
12
C ext.
τ = Reset
2